Patent US3072090A successfully refreshed from Google Patents.
US3072090A
Expired / Lapsed
US
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Outboard marine propulsion apparatus
Assignee: Individual
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Filing: 1961-03-13
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Granted: 1963-01-08
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 John T Yarbrough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:21
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/20; B63H20/08; B63H20/12; B63H20/16; B63H20/02; B63H20/32; B63H20/34; B63H2020/003; B63H23/00; B63H23/02; B63H2023/0208; B63H2023/0216; B63H2023/0233; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
OUTBOARD PROPULSION APPARATUS FOR USE WITH AN INBOARD MARINE ENGINE COMPRISING A MAIN PLATE ADAPTED FOR SPANNING THE TRANSOM OF A BOAT AND HAVING AN INBOARD SECTION AND AN OUTBOARD SECTION, AN AUXILIARY DRIVE SHAFT JOURNALED TO SAID MAIN PLATE IN SAID INBOARD SECTION AND EXTENDING THERETHROUGH, A PAIR OF DRIVING PULLEYS AFFIXED TO SAID SHAFT, A PAIR OF HOLLOW STEERING MEMBERS JOURNALED TO SAID PLATE, RESPECTIVE PROPELLER HOUSING MEANS AFFIXED TO SAID STEERING MEMBERS EACH CARRYING A PROPELLER THEREON, PROPELLER DRIVE SHAFTS JOURNALED WITHIN SAID STEERING MEMBERS AND GEARED TO SAID PROPELLERS FOR COUNTER ROTATIVE OPERATION THEREOF RELATIVE TO ONE ANOTHER, PULLEY MEANS ON SAID PROPELLER DRIVE SHAFTS, A PAIR OF BELT MEMBERS EACH TRAINED AROUND A RESPECTIVE DRIVING PULLEY AND PULLEY MEANS, AND MEANS INTERCONNECTED WITH SAID STEERING MEMBERS FOR PIVOTING THEM AS A UNIT.
Claim 2
Dependent Claim
137 words
OUTBOARD PROPULSION APPARATUS FOR USE WITH AN INBOARD MARINE ENGINE COMPRISING A MAIN PLATE ADAPTED FOR SPANNING THE TRANSOM OF A BOAT AND HAVING AN INBOARD SECTION AND AN OUTBOARD SECTION, AN AUXILIARY DRIVE SHAFT JOURNALED TO SAID MAIN PLATE IN SAID INBOARD SECTION AND EXTENDING THERETHROUGH, A PAIR OF DRIVING PULLEYS AFFIXED TO SAID SHAFT, A PAIR OF HOLLOW STEERING MEMBERS JOURNALED TO SAID PLATE, RESPECTIVE PROPELLER HOUSING MEANS AFFIXED TO SAID STEERING MEMBERS EACH CARRYING A PROPELLER THEREON, PROPELLER DRIVE SHAFTS JOURNALED WITHIN SAID STEERING MEMBERS AND GEARED TO SAID PROPELLERS FOR COUNTER ROTATIVE OPERATION THEREOF RELATIVE TO ONE ANOTHER, PULLEY MEANS ON SAID PROPELLER DRIVE SHAFTS, A PAIR OF BELT MEMBERS EACH TRAINED AROUND A RESPECTIVE DRIVING PULLEY AND PULLEY MEANS, AND MEANS INTERCONNECTED WITH SAID STEERING MEMBERS FOR PIVOTING THEM AS A UNIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |